Small fix @ update_share() to make it work with >= OC6
Small fix @ update_share() to make it work with >= OC6

fz6/pyocclient,blizzz/pyocclient,blizzz/pyocclient,SergioBertolinSG/pyocclient,owncloud/pyocclient,SergioBertolinSG/pyocclient,fz6/pyocclient,owncloud/pyocclient